摊余成本公式是什么？

页面:/news/view-1382311/ | 耗时:0.7667 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1382311 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1382311 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1382311 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1463240,1110528,1104230,1108235,1047897,1078841,1087922,1113313,1275690,1123891,1105331,1123621,1111516,1048068,1108526,1130876,1132217,1110414,1113021,1118164,1115293,1060655,1119480,1104270,1110646,1068722,1113964,1126989,1131391,1093138) ORDER BY field (ArticleID,1463240,1110528,1104230,1108235,1047897,1078841,1087922,1113313,1275690,1123891,1105331,1123621,1111516,1048068,1108526,1130876,1132217,1110414,1113021,1118164,1115293,1060655,1119480,1104270,1110646,1068722,1113964,1126989,1131391,1093138)